原型化方法是一种定义系统需求可采取的策略,实现时需经过若干步骤,一般其采用的最后步骤应是( )。
A.模型验证
B.判定原型完成
C.判定原型效果
D.整理原型和提供文档
参考答案:D
Open Shortest Path First (OSPF) is a (66) routing algorithm that (67) work done on the OSI IS-IS intradomain routing protocol. This routing, as compared to distance-vector routing, requires (68) processing power. The (69) algorithm is used to calculate routes. OSPF routing table updates only take place when necessary, (70) at regular intervals.
A.derived from
B.deviated from
C.was derived from
D.was deviated from
检索时如果选定的小组处于按“最后位置规则”分类的小类中,那么可以就对选定小组及其下不明显排除检索的主题的小组进行检索。